TDA7420 Datasheet, PDF (5/29 Pages) STMicroelectronics – MULTIFUNCTIONAUDIO PROCESSOR

TDA7420
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
TREBLE CONTROL
CRANGE Control Range
ASTEP
Step Resolution
RT
Internal Feedback Resistance
SPEAKER ATTENUATORS
CRANGE Control Range
ASTEP
Step Resolution
AMUTE Output Mute Attenuation
EA
Attenuation Set Error
V_DC
DC Step
AUDIO OUTPUTS
VCLIP
Clipping Level
R_L
ROUT
Output Load Resistance
Output Impedance
VDC
DC Voltage Level
GENERAL
E_NO
Output Noise
S/N
Signal to Noise Ratio
d
Distortion
S_C
Channel Separation Left/Right
E_T
Total Tracking Error
BUS INPUT
V_IL
Input Low Voltage
V_IH
Input High Voltage
IIN
Input Current
V_O
Output Voltage SDA
Acknowledge
SUPPLY
V_IL
I_S
Supply Voltage
Supply Current
SVR
Ripple Rejection
C_ref = 22µF
Test Condition
Min.
+17
0.5
37
A_V = 0 to -40dB
A_V = 0 to -40dB
Adjacent Attenuation Steps
d = 0.3%
BW = 20Hz to 20KHz, flat
Output Muted
All gains = 0dB
All gains 0dB; VO = 1VRMS ;
VI = 1VRMS ;
AV = 0 to -20dB;
AV = -20 to -40dB;
0.5
80
2.0
2
100
3.35
80
3
VIN = 0.4V
-5
IO = 1.6mA
6.5
Stereo Decoder = ON
25
Stereo Decoder = OFF
20
Audioprocessor
Stereo Decoder + Audioprocessor
Typ.
+18
1
50
79
1
100
0.1
2.5
200
3.6
4.0
5.0
106
0.01
95
0
0
0.1
8.5
33
28
80
60
Max. Unit
+19
dB
1.5
dB
63
KΩ
dB
1.5
dB
dB
1.50 dB
3
mV
300
3.85
VRMS
KΩ
Ω
V
µV
15
µV
dB
0.08
%
dB
1
dB
2
dB
1
V
V
5
µA
0.4
V
10.0
V
41
mA
35
mA
dB
dB
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